Tom Warren on Twitter: "if you're noticing high CPU usage from Nvidia's latest drivers (531.18) you're not alone. Seems to be a bug with the latest drivers where Nvidia container uses 10%+
i5 6400 high cpu usage when gaming(stutter, low fps) any fixes? - Intel Community
NVIDIA GeForce Driver Bug May Cause Abnormally High CPU Usage After Leaving a Game - The FPS Review